Flatpaks are awesome cuz stuff that usually stays "windows" (mostly game mod managers etc) will sometimes get "ported" to linux with a flatpak. And in the case of the Hedge Mod Manager it works really well with other flatpakked games like the recently released Unleashed Recomp which is basically a native linux game. Making the flatpak FIND the game was a bit... tinkery but wasnt a huge deal "for me" (mr super smart). All the steam games were found automatically. Makes me wish for a flatpak of Project 06 but that one has to be installed via lutris...